/* About Page Styles */
.about-hero {
    background-color: #003366; /* Deep Tech Blue */
    background-image: linear-gradient(135deg, rgba(0,51,102,0.95) 0%, rgba(0,86,179,0.85) 100%), url('../images/about-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 20px;
    text-align: center;
    color: white;
    margin-bottom: 0; /* Remove margin-bottom as sub-nav follows */
    position: relative;
}

.about-hero.mh {
    margin-top: 120px;
}

.about-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.about-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
}

/* Sub Navigation */
.about-sub-nav {
    background: #fff;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0; /* Adjust if header is sticky */
    z-index: 100;
}

.about-sub-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.about-sub-nav li {
    margin: 0;
}

.about-sub-nav a {
    display: block;
    padding: 20px 30px;
    color: #555;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.about-sub-nav a:hover,
.about-sub-nav a.active {
    color: #007bff;
    border-bottom-color: #007bff;
    background: #f8f9fa;
}

/* Main Content Container */
.about-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 20px;
    background: #fff;
}

.about-header {
    text-align: center;
    margin-bottom: 60px;
}

.about-header h2 {
    font-size: 2.2rem;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.about-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #007bff;
}

/* Content Typography */
.about-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.about-content p {
    margin-bottom: 1.5em;
    text-align: justify;
}

.about-content h3 {
    font-size: 1.5rem;
    color: #003366;
    margin-top: 2em;
    margin-bottom: 1em;
    font-weight: 600;
    border-left: 4px solid #007bff;
    padding-left: 15px;
}

.about-content ul {
    margin-bottom: 1.5em;
    padding-left: 20px;
    list-style-type: disc;
}

.about-content li {
    margin-bottom: 0.5em;
}

.about-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin: 30px 0;
    display: block;
}

/* Corporate Values Grid (Placeholder Structure) */
.corporate-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
    margin-bottom: 60px;
}

.value-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    background: #fff;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.value-icon {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 20px;
    display: block;
}

.value-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.value-desc {
    font-size: 0.95rem;
    color: #666;
}

@media (max-width: 768px) {
    .about-hero {
        padding: 60px 20px;
    }
    
    .about-hero h1 {
        font-size: 2.2rem;
    }
    
    .about-sub-nav a {
        padding: 15px;
        font-size: 0.9rem;
    }
    
    .about-container {
        padding: 40px 20px;
    }
    
    .about-header h2 {
        font-size: 1.8rem;
    }
}